Remove GetExtensionService from Profile.

chrome/browser/task_manager/task_manager_browsertest.cc

Index: chrome/browser/task_manager/task_manager_browsertest.cc
diff --git a/chrome/browser/task_manager/task_manager_browsertest.cc b/chrome/browser/task_manager/task_manager_browsertest.cc
index 980023ef7a8bd92b1054365c23fb66e7f97cb275..271f4545df7218e0ba4168d9fb933afed5253be6 100644
--- a/chrome/browser/task_manager/task_manager_browsertest.cc
+++ b/chrome/browser/task_manager/task_manager_browsertest.cc
@@ -13,6 +13,7 @@
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/extensions/extension_browsertest.h"
 #include "chrome/browser/extensions/extension_service.h"
+#include "chrome/browser/extensions/extension_system.h"
 #include "chrome/browser/infobars/infobar_tab_helper.h"
 #include "chrome/browser/notifications/desktop_notification_service.h"
 #include "chrome/browser/notifications/notification.h"
@@ -378,7 +379,8 @@ IN_PROC_BROWSER_TEST_F(TaskManagerBrowserTest, NoticeAppTabs) {
   int resource_count = TaskManager::GetInstance()->model()->ResourceCount();
   ASSERT_TRUE(LoadExtension(
       test_data_dir_.AppendASCII("packaged_app")));
-  ExtensionService* service = browser()->profile()->GetExtensionService();
+  ExtensionService* service = extensions::ExtensionSystem::Get(
+      browser()->profile())->extension_service();
   const extensions::Extension* extension =
       service->GetExtensionById(last_loaded_extension_id_, false);